Bearded, beloved outfit MMJ has found that sweet spot where jammy looseness meets eclectic indie rock. As if sipping a cold brew by the water at this refurbished venue weren’t enough of a reason, get there early for futuristic and utterly engrossing hip-hop outfit Shabazz Palaces. Williamsburg Park (ticketmaster.com). Aug 19 at 6:30pm. Enter below to win!